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Plinz's profile
Joscha Bach
Joscha Bach
Joscha Bach
@Plinz

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Joscha Bach

@Plinz

FOLLOWS YOU. Artificial Intelligence, Cognitive Architectures, Computation. The goal is integrity, not conformity.

San Francisco, CA
bach.ai
Joined April 2009

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    1. Joscha Bach‏ @Plinz 13 Dec 2018
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      Joscha Bach Retweeted Andreas Wallraff

      I am partial to the idea that the quantum state is a state of knowledge (about a system that we can only observe during the time slices in which we exist, and with uncertainty about our own state), but Nielsen opens an important discussion that is rarely make explicit.https://twitter.com/AndreasAtETH/status/1073455979919040512 …

      Joscha Bach added,

      Andreas Wallraff @AndreasAtETH
      What does the quantum state mean? “Word salad interpretation of quantum mechanics” versus “shut-up-and-calculate interpretation of quantum mechanics” . I am with ⁦@michael_nielsen⁩ on this matter. Go ahead and read his essay. ⁦⁦ http://cognitivemedium.com/qm-interpretation …
      2 replies 1 retweet 6 likes
    2. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      Do you have a problem with Deutsch's multiverse explanation?

      1 reply 0 retweets 0 likes
    3. Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @davidarredondo

      I don't understand Deutsch so far. The parts I understand seem obvious, but I still fail to get the point of the whole enterprise. I am sure it is my fault and it will click. (His perspective on QM is different than mine, but I am less qualified than him to have a perspective.)

      4 replies 0 retweets 3 likes
    4. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      My guess is that the parts that sound obvious are primarily Popper and so nothing new to you. Same for Darwin/Dawkins/Turing.

      1 reply 0 retweets 0 likes
    5. Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @davidarredondo

      If I would describe my own perspective, it is basically a finitist version of the Church Turing thesis as the fundamental law, and you can derive physics by generating all universe states and recovering the universe that must contain us as a thread by following its memories.

      2 replies 0 retweets 0 likes
    6. Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @Plinz @davidarredondo

      It is all integers, and you get quantum effects due to there being no space and no definite observer state, and irreducible uncertainty of the observer about its own ground state.

      6 replies 0 retweets 3 likes
    7. human evolution‏ @davidarredondo 16 Dec 2018
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      Replying to @Plinz

      So absolute time is relative.

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 16 Dec 2018
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      Replying to @davidarredondo

      No, I think that it makes sense to distinguish between ground truth and embedded observers.

      10:05 PM - 16 Dec 2018 from Cambridge, MA
      3 replies 0 retweets 0 likes
        1. New conversation
        2. human evolution‏ @davidarredondo 16 Dec 2018
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          Replying to @Plinz

          My guess is because you still think you have a self. Prove me wrong.

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 16 Dec 2018
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          Replying to @davidarredondo

          Subjective time as seen from my self is a different class of time than the relative time observed by a physical system.

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. New conversation
        2. human evolution‏ @davidarredondo 16 Dec 2018
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          Replying to @Plinz

          Why?

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 16 Dec 2018
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          Replying to @davidarredondo

          because observers are emergent patterns, and they are emergent over state change, not static patterns

          2 replies 0 retweets 1 like
        4. 1 more reply
        1. human evolution‏ @davidarredondo 16 Dec 2018
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          Replying to @Plinz

          Embedded obsevers are the " problem". Is there really such a thing? Capital R Really in capital r Reality?

          0 replies 0 retweets 0 likes
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